T(RN,                  0x0p+0,                  0x1p+0,          0x0p+0, 0)
T(RN,                 -0x0p+0,                  0x1p+0,          0x0p+0, 0)
T(RN,                  0x1p+0,                0x1.4p+3,          0x0p+0, 0)
T(RN,                 -0x1p+0,    0x1.999999999999ap-4,   0x1.99999ap-2, INEXACT)
T(RN,                     inf,                     inf,          0x0p+0, 0)
T(RN,                    -inf,                  0x0p+0,          0x0p+0, 0)
T(RN,                     nan,                     nan,          0x0p+0, 0)
